The aim of the present work was to obtain the changing of free amino acids and γ-aminobutyric acid(GABA) in the process of the Chinese rice wine fermentation, total sugar, alcohol, and total acid were also investigated.The results showed that free amino acids and GABA increased slowly at primary fermentation and in the early period of the post-fermentation, increased rapidly in the later period of the post-fermentation of the manual Chinese rice wine. Total sugar decreased significantly at primary fermentat...